Home / 3,198.20-4,415.04-2,359.04

Finding the Fourth Proportional to 3,198.20, 4,415.04 and 2,359.04

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Solution

The fourth proportional to 3,198.20, 4,415.04 and 2,359.04 is: 3,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.20 : 4,415.04 = 2,359.04 : x
  2. Step 2: Convert to fraction form
    3,198.20/4,415.04 = 2,359.04/x
  3. Step 3: Cross multiply
    3,198.20x = 4,415.04 × 2,359.04
  4. Step 4: Simplify right side
    3,198.20x = 10,415,255.96
  5. Step 5: Solve for x
    x = 10,415,255.96/3,198.20
  6. Step 6: Final answer
    x = 3,256.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.